0 past simple and past participle of depressurize
1 to (cause a closed space, especially the inside of an aircraft to) become lower in air pressure:
If the cabin depressurizes, oxygen masks will automatically drop down.
They find that the atmosphere has become depressurized to a few thousandths of normal atmospheric pressure.
It has a high dissolved gas content that is heated or depressurized, which reduces how much dissolved gas the water can hold.
Airspeed and altitude data were lost, the aircraft depressurized, and an antenna became wrapped around the tailplane.
Steam pulsing: air dilution by using a series of steam pulses, in which the chamber is alternately pressurized and then depressurized to near atmospheric pressure.
The crewlock was depressurized from 14.7 to 10.2 psi.
The cabin depressurized explosively necessitating a rapid descent to denser (breathable) air and an emergency landing.
If, on the other hand, the cabin was not depressurized or only slowly depressurizing, the astronauts may have been conscious for the entire fall until impact.
The tank is temporarily depressurized to remove any remaining moisture that would cause arcing and is sealed against the weather with a gasket at the top.
